/*
 * Copyright (c) 2023-2024 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

let [one, two] = [1, 2];
[one, two] = [two, one]

let head, tail
[head, ...tail] = [1, 2, 3, 4]

let arr2: number[] = [1, 2]
let one2 = arr2[0]
let two2 = arr2[1]

let tmp = one
one = two
two = tmp

let data2: Number[] = [1, 2, 3, 4]
let head2 = data2[0]
let tail2: Number[] = []
for (let i = 1; i < data2.length; ++i) {
    tail.push(data2[i])
}